.contact-box {
  max-width: 420px;
  margin: 100px auto;
  background-color: #2c2c2c;
  padding: 25px;
  border: 4px solid #555;
  box-shadow: 4px 4px 0 #000;
  color: white;
}

.contact-box h2 {
  text-align: center;
  margin-bottom: 20px;
  color: #54D6AC;
  font-weight: bold;
  font-size: 22px;
}

.contact-box input,
.contact-box textarea {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  background: #202020;
  border: 1px solid #444;
  color: #fff;
  font-size: 14px;
  outline: none;
  box-sizing: border-box;
}

.contact-box input:focus,
.contact-box textarea:focus {
  border: 1px solid #00aa00;
}

.contact-box button {
  width: 100%;
  padding: 12px;
  background: #3c8527;
  border: 2px solid #000;
  box-shadow: 2px 2px 0 #222;
  color: white;
  font-weight: bold;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.contact-box button:hover {
  background: #4caf50;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 #222;
}

.contact-box button:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 #222;
}